TaxNo: 6245Subfamily Changhsingoceratinae
| Suborder: |
Goniatitina
|
| Superfamily: |
Cycloloboidea
|
| Family: |
Cyclolobidae
|
| Subfamily: | Changhsingoceratinae |
| Qualifier: | fy |
| Author: |
Cantú Chapa 1997,p.82
|
| Valid: |
Cyclolobinae Zittel,1885 TAX5868 |
| Lower Boundary: |
Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
|
| Upper Boundary: |
Wordian--Capitanian (Midian) [WOR--CAP], 265.8 million years
|